Fatigue test platform for hydraulic element
Technical Field
The utility model belongs to the technical field of hydraulic elements, and particularly relates to a fatigue test platform for a hydraulic element.
Background
Hydraulic systems are engineering systems that utilize liquids to transfer energy and are widely used in industry and machinery. Hydraulic systems typically include a hydraulic energy source, an implement, a control element, and an auxiliary element. Hydraulic pumps are typically an energy source for a hydraulic system that converts mechanical energy into hydraulic energy. The actuators of hydraulic systems mainly comprise hydraulic cylinders and hydraulic motors, which convert energy into mechanical movement or rotation by means of controlled hydraulic energy. The control elements of the hydraulic system include various valves and control devices for controlling the transmission of hydraulic energy and the movement of the actuators, such as hydraulic valves, hydraulic control systems, etc. The hydraulic system also comprises auxiliary elements such as an energy accumulator, an oil tank, an oil filter, a pipeline and the like, and the auxiliary elements are used for assisting the operation and maintenance of the hydraulic system. The hydraulic system can realize accurate force and motion control by controlling and distributing hydraulic energy, has the advantages of high response speed, high transmission efficiency, large bearing capacity and the like, and is widely applied to the fields of hoisting machinery, metallurgical equipment, engineering machinery, aerospace and the like.
Because the hydraulic element needs to bear larger force for a long time in the use process, fatigue damage can occur after long-time use, the hydraulic element needs to be subjected to fatigue test in the production process, and then relevant data such as stress, deformation and temperature of the element are recorded according to the test scheme, so that the fatigue condition of the hydraulic element is evaluated, but most of the existing hydraulic element fatigue test devices also need to record data required by the test manually in the use process, so that errors are easy to occur in data recording, errors are easy to occur, in addition, the existing hydraulic element test platform only can test single performance indexes of the test element, and other test devices need to be adopted, so that the time is wasted, and extra space is occupied.
Disclosure of utility model
The utility model aims to solve the technical problems that the existing hydraulic element fatigue test device mostly adopts manual data recording, is easy to generate errors and is easy to generate errors in data recording, and in addition, the existing hydraulic element fatigue test device has single function, and more test devices and more occupied space are needed in the test process.
In order to solve the technical problems, the technical scheme includes that the fatigue test platform for the hydraulic element comprises a base, a display screen and a plurality of control buttons are arranged on one side of the base, a test table is arranged in the middle of the upper side of the base, a support frame is arranged on one side of the upper side of the base, the bottom of the test table is located in the base and is provided with a supporting seat, a clamping mechanism is arranged in the test table, a movable support of an L-shaped structure is arranged above the support frame, a hydraulic cylinder and a first telescopic cylinder are respectively arranged below two ends of the movable support, test pressing plates are respectively connected to the bottoms of the hydraulic cylinder and the electric telescopic cylinder, a corresponding distance sensor is arranged on one side of the upper side of the test pressing plates and the lower end face of the movable support, the middle of the movable support is rotatably connected with the middle of the support frame through a rotating shaft, a push rod is arranged in the base at the bottom of the rotating shaft, and one side of the push rod is rotatably connected with a second telescopic cylinder.
As an improvement, the supporting seat is of a solid structure, the bottom of the supporting seat is propped against the lower end face in the base, and the middle of the supporting seat and the middle of the side view table are positioned on the same axis.
As an improvement, the test bench is provided with the fixed slot in fixture department, fixed slot and test clamp plate's shape assorted, fixture is including two grip blocks that the symmetry set up, two the opposite one side of grip block is provided with the grip slot of V type structure, and the opposite side is provided with a plurality of guide bars, and is a plurality of guide bar and test bench sliding connection, and in the middle be provided with the spring between guide bar and the standing groove.
As an improvement, the movable support is integrally of a 90-degree L-shaped structure, the bending part of the movable support is positioned in the middle of the support frame, and the bending part is fixedly connected with the rotating shaft.
As an improvement, the lengths of the two ends of the movable support are the same, and the hydraulic cylinder and the first telescopic cylinder which are fixed by the movable support are positioned right above the test bench.
As an improvement, the first telescopic cylinder and the second telescopic cylinder are electric telescopic cylinders, wherein the driving end of the first telescopic cylinder is positioned at the top of the movable support and is connected with a driving motor through a gearbox.
As an improvement, push rod and the bottom fixed connection of pivot, and there is 45 degrees contained angles between the base side that push rod and pivot are close to one side, the inside rotation of bottom one side of the flexible jar of second and base is connected through extension frame, slope setting between push rod and the extension frame.
Compared with the prior art, the utility model has the advantages that:
1. When the fatigue test platform is used, the hydraulic cylinder, the driving motor, the reduction gearbox, the distance sensor and the like can be connected with the display screen, so that electric control and data recording are realized, the data are not required to be recorded one by one manually, and the data can be recorded only by exporting the data in a computer where the display screen is positioned;
2. The fatigue test platform is replaced by the L-shaped movable support, the connected hydraulic cylinder and the first telescopic cylinder, so that the stress test and the frequency test of the hydraulic element are realized, and the time required by replacing the test device and the space occupied by the test device are reduced.
Drawings
FIG. 1 is a block diagram of a fatigue testing platform for a hydraulic component according to the present utility model.
Fig. 2 is an enlarged view of the structure at a of a fatigue test platform for a hydraulic component according to the present utility model.
FIG. 3 is a cross-sectional perspective view of a fatigue testing platform for a hydraulic component according to the present utility model.
Fig. 4 is an internal structural view of a fatigue testing platform for a hydraulic component according to the present utility model.
Fig. 5 is a diagram of a transformation structure of a fatigue testing platform for a hydraulic component according to the present utility model.
As shown in the figure, 1, a base, 2, a display screen, 3, a plurality of control buttons, 4, a test bench, 5, a support frame, 6, a support seat, 7, a movable support, 8, a hydraulic cylinder, 9, a first telescopic cylinder, 10, a test pressing plate, 11, a distance sensor, 12, a rotating shaft, 13, a push rod, 14, a second telescopic cylinder, 15, a fixed slot, 16, a clamping block, 17, a clamping slot, 18, a plurality of guide rods, 19, a spring, 20, a gearbox, 21, a driving motor, 22 and an extension frame
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly, as for example, "connected" may be a fixed connection, may be a removable connection, or may be an integral connection, may be a mechanical connection or may be an electrical connection, may be a direct connection, may be an indirect connection via an intermediary, or may be a communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1:
As shown in fig. 1 of the specification, a fatigue test platform for a hydraulic element comprises a base 1, a display screen 2 and a plurality of control buttons 3 which are electrically connected are arranged on one side of the base 1, a test table 4 is arranged in the middle of the upper side of the base 1, a support frame 5 is arranged on one side of the upper side of the base 1, a clamping mechanism is arranged in the test table 4, a movable support 7 of an L-shaped structure is arranged above the support frame 5, a hydraulic cylinder 8 and a first telescopic cylinder 9 are respectively arranged below two ends of the movable support 7, the lengths of the two ends of the movable support 7 are identical, the hydraulic cylinder 8 and the first telescopic cylinder 9 fixed by the movable support 7 are located right above the test table 4, the first telescopic cylinder 9 is an electric telescopic cylinder, the driving end of the first telescopic cylinder 9 is located at the top of the movable support 7 and is connected with a driving motor 21 through a gearbox 20, the bottoms of the hydraulic cylinder 8 and the electric telescopic cylinder are both connected with a test pressing plate 10, and a corresponding distance sensor 11 is arranged on one side above the test pressing plate 10 and the lower end face of the movable support 7.
As shown in fig. 2 of the specification, the test bench 4 is provided with a fixing groove 15 at a clamping mechanism, the fixing groove 15 is matched with the test pressing plate 10 in shape, the clamping mechanism comprises two symmetrically arranged clamping blocks 16, a clamping groove 17 with a V-shaped structure is arranged on one side opposite to the two clamping blocks 16, a plurality of guide rods 18 are arranged on the other side, the guide rods 18 are slidably connected with the test bench 4, and springs 19 are arranged between the middle guide rods and the placing grooves.
As shown in fig. 3-5 of the specification, a supporting seat 6 is arranged at the bottom of the test bench 4 and positioned in the base 1, the supporting seat 6 is of a solid structure, the bottom of the supporting seat 6 is propped against the lower end face in the base 1, the middle of the supporting seat 6 and the middle of the side view bench are positioned on the same axis, the middle of the movable bracket 7 is rotationally connected with the middle of the supporting bracket 5 through a rotating shaft 12, the movable bracket 7 is of a 90-degree L-shaped structure, the bending part of the movable bracket 7 is positioned at the middle position of the supporting bracket 5, the bending part is fixedly connected with the rotating shaft 12, a push rod 13 is arranged in the base 1, one side of the push rod 13 is rotationally connected with a second telescopic cylinder 14, the second telescopic cylinder 14 is an electric telescopic cylinder, the push rod 13 is fixedly connected with the bottom of the rotating shaft 12, a 45-degree included angle is formed between the side of the base 1, which is close to the side of the push rod 13, and the base 1, the bottom of the second telescopic cylinder 14 is rotationally connected with the base 1 through an extension frame 22, and the push rod 13 is obliquely arranged between the extension frame 22.
In the concrete implementation, the push rod 13 at the bottom of the rotating shaft 12 is pushed by the extension and retraction of the second telescopic cylinder 14, the rotation of the movable bracket 7 is regulated, the positions of the hydraulic cylinder 8 and the first telescopic cylinder 9 are regulated, the test contents of the hydraulic cylinder 8 and the first telescopic cylinder 9 in different directions are tested on the hydraulic element on the test bench 4, the stress magnitude and the number of times of the hydraulic element are tested through the hydraulic cylinder 8, the number of times of the hydraulic element is recorded through the second telescopic cylinder 14, the extension speed of the first telescopic cylinder 9 can be regulated through the reduction gearbox, the distance between the hydraulic cylinder 8 and the first telescopic cylinder 9 is changed, the number of times of distance change is recorded through the extension speed and the retraction speed of the hydraulic cylinder 8 and the first telescopic cylinder 9, the fatigue number is recorded, and the output force is recorded through the extension force of the hydraulic cylinder 8 and the second telescopic cylinder 14.
The utility model and its embodiments have been described above with no limitation, and the specific embodiments are shown as only one of the embodiments of the utility model, and the actual structure is not limited thereto. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.